If your gadget can connect to the Internet, it can probably call you when it is lost or stolen...
A while back, I discussed a FREE way to get you laptop back using a combination of Adeona and isightcapture. If you are willing to spend a few bucks, and also need to protect: Mac or PC laptops, BlackBerrys, Smart mobile phones, cameras, GPS devices, external hard drives and even USB thumb drives, GadgetTrak can help.
Not electronic?
No problem.
GadgetTrak also offers "Trak Tags" so honest people have a way of returning lost, non-electronic items.
Companies even put GadgetTrak technology into their own products. (see FLIR ThermaTrak™) Smart!